Effects of a short-term whole body vibration intervention on bone mass and structure in elderly people

Alba Gómez-Cabello, Alex Gonzalez de Aguero, Silvia Morales, Ignacio Ara, José A Casajús, Germán Vicente-Rodríguez

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    We aimed to clarify whether a short-term whole body vibration training has a beneficial effect on bone mass and structure in elderly men and women.

    Randomised controlled trial.

    A total of 49 non-institutionalised elderly (20 men and 29 women) volunteered to participate in the study. Participants who met the inclusion criteria were randomly assigned to one of the study groups (whole body vibration or control). A total of 24 elderly trained squat positioned on a vibration platform 3 times per week for 11 weeks. Bone-related variables were assessed by dual-energy X-ray absorptiometry and peripheral quantitative computed tomography. Two-way repeated measures one-way analysis of variance (group by time) was used to determine the effects of the intervention on the bone-related variables and also to determinate the changes within group throughout the intervention period. Analysis of covariance was used to test the differences between groups for bone-related variables in pre- and post-training assessments and in the percentage of change between groups. All analysis were carried out including age, height, subtotal lean mass and daily calcium intake as covariates.

    11 weeks of whole body vibration training led to no changes in none of the bone mineral content and bone mineral density parameters measured by dual-energy X-ray absorptiometry through the skeleton. At the tibia, total, trabecular and cortical volumetric bone mineral density decreased significantly in the whole body vibration group (all P< 0.05).

    A short-term whole body vibration therapy is not enough to cause any changes on bone mineral content or bone mineral density and it only produces a slight variation on bone structure among elderly people.
    Original languageEnglish
    Pages (from-to)160-164
    Number of pages5
    JournalJournal of Science and Medicine in Sport
    Issue number2
    Early online date25 May 2013
    Publication statusPublished - Mar 2014


    • ageing
    • bone density
    • exercise
    • osteoporosis


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